Article. Page 67



Remember the problems encountered when using the MyBatis paging plug-in

Problem description in use Mybatis-PageHelper When paging, the result set queried is a nested result. At this time, it i...
7:44 5 May 2020

Volley tutorial (including instance demo)

Development data Looking up some materials, I...
6:49 5 May 2020

Extjs to display and hide password box

As it seems that extjs can't change the type attribute of text box, it can't change the type dynamically. The idea of im...
6:42 5 May 2020

Element modification of java: list collection

The principle is to delete the old elements before adding new ones, not to modify the old elements directly ...
6:27 5 May 2020

Get data + play source through QQ music interface

Recently, I am learning to make a web mobile music player. Because I don't want to make a database to store data, I am l...
6:21 5 May 2020

From zero to achieve a word to fight game practice Chapter 6: to achieve friend word to fight

The core of the realization of the war is to watch Based on the encapsulation of webSocket, the cloud development data s...
6:13 5 May 2020

How is the random algorithm of wechat red packet implemented?

I see such a problem in Zhihu How is the random algorithm of wechat red packet implemented? Some people say that Tencent...
5:11 5 May 2020

Generating a random graph by degree sequence

This is the first matlab program I wrote. Under the pressure of the teacher, I have to implement the pseudo code in the ...
4:04 5 May 2020

Java learning note 52 (network programming: UDP protocol case)

InetAddress class: Represents the IP address in the Inter...
3:36 5 May 2020

Gin go learning note 4: upload and download of gin web framework file

File upload and download 1 - > file upload File upload...
3:02 5 May 2020

Spring boot + neo4j ☞ create a multi-point network

Based on the simple practice of the first two articles, we will continue to talk about the application of Neo4j, simulat...
2:52 5 May 2020

Zabbix monitoring MySQL under Windows

1. Create monitoring account in MySQL GRANT PROCESS,REPLICATION CLIENT ON *.* TO mysql_monitor@'localhost' IDENTIFIED BY...
2:43 5 May 2020

Be careful with ToLower and ToUpper. Be careful to drag your system down

I don't know when to start. Many programmers like to use ToLower and ToUpper to realize string equality comparison that ...
2:36 5 May 2020

Front modal box assembly

js is an object-oriented function, but it is different from the object-oriented function of c + +. When the object-orien...
1:17 5 May 2020

Chinese encoding of HttpClient request parameters

Catalog problem problem analysis problem First, let's see how we normally use HttpClient to handle POST requests...
1:08 5 May 2020

Data structure and algorithm series XIX (binary search 2)

1. Introduction 1.1. Why study data structure and algorithm? ...
0:51 5 May 2020

Test the query efficiency of mapping Hbase table to Hive table

1, Preparation: 1. Write a program to write 10 million pieces of data into the Hbase table; 2. Map the corresponding Hb...
0:24 5 May 2020

Teacher, are you sure Java annotations will not be executed?

Previously, I shared an article on my blog about comments in Java and wrote a word with oath: "Comments will not be...
0:22 5 May 2020

Java learning notes 48 (DBUtils tool class I)

As can be seen from the example in the previous article, when adding, deleting, modifying and querying, a lot of code is...
0:19 5 May 2020

python advanced features (generator & yield keyword)

generator There are two ways to read generator elements: g.next() for loop reading; (the generator is essentially an i...
23:09 4 May 2020

The background color in Winform can be set as a translucent RichTextBox

background There was another problem with the...
22:54 4 May 2020

Conversion between C++ int and string (including source code implementation)

1, int to string I. to string function The standard of c+...
22:26 4 May 2020

Hihocoder Chen 1689: inferring size relation (dichotomy)

Time limit: 20000ms Single point time limit: 2000ms Memory limit: 256MB describe ...
22:08 4 May 2020

One of the four components: service

1, Android Service: The service in Android is a service r...
22:00 4 May 2020

The 27th blog post of Xiao Liu

. . . Don't hang up at the end of the term... Today, I f...
21:40 4 May 2020

Java static synchronization method and non static synchronization method

Question 1: whether static and non static methods have competition state ...
20:36 4 May 2020

Simulation and variable parameters of js publish and subscribe model

1, Application Widely used in asynchronous programming, it is an alternative to callback function. Subscribe to an even...
20:12 4 May 2020

Iterator of behavior pattern

1 General Iterator pattern is one of the most...
20:01 4 May 2020

mui bottom navigation-based webview mode

During my recent app session with MUI, the first page wanted to do a bottom navigation based on webview mode. I found an...
19:32 4 May 2020

vue custom directives

vue can extend instructions by itself Add a v-color to ch...
19:10 4 May 2020